intersection, union, difference, symmetric difference for dictionaries

[John Gordon]

In <G57Pu.24239$Th2.4990 at tornado.fastwebnet.it> mauro <mauro at gmail.com> writes:

> - Dictionaries and sets are both accessed by key

As far as I have used sets, they are not accessed by key.

>>> x = set([1, 2, 'buckle my shoe'])
>>> x
set([1, 2, 'buckle my shoe'])
>>> 1 in x
True
>>> 5 in x
False

-- 
John Gordon         Imagine what it must be like for a real medical doctor to
gordon at panix.com    watch 'House', or a real serial killer to watch 'Dexter'.